Home / 6,201.76-8,553.36-4,631.20

Finding the Fourth Proportional to 6,201.76, 8,553.36 and 4,631.20

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Solution

The fourth proportional to 6,201.76, 8,553.36 and 4,631.20 is: 6,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.76 : 8,553.36 = 4,631.20 : x
  2. Step 2: Convert to fraction form
    6,201.76/8,553.36 = 4,631.20/x
  3. Step 3: Cross multiply
    6,201.76x = 8,553.36 × 4,631.20
  4. Step 4: Simplify right side
    6,201.76x = 39,612,320.83
  5. Step 5: Solve for x
    x = 39,612,320.83/6,201.76
  6. Step 6: Final answer
    x = 6,387.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.